Hypericum frondosum 'Sunburst' (Sunburst St. John's Wort)Dense grower Golden yellow flowers bloom in June and last into October Glossy, blue green foliage A dense growing selection with great landscape form, interesting summer foliage and showy, all summer bloom. Bright, golden yellow flowers appear in mid June and continue into October and stand out against glossy, blue green foliage. Great for small spaces. Hardiness Zone 5 8 Height 2 3 ft Spread 3 4 ft